/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-LoopLockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-parray-copy.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-ba0fd47f62a02cd5486659f03d300faf678a2e90-ba0fd47 [2021-11-14 11:35:03,571 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-14 11:35:03,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-14 11:35:03,617 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-14 11:35:03,617 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-14 11:35:03,618 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-14 11:35:03,619 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-14 11:35:03,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-14 11:35:03,626 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-14 11:35:03,626 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-14 11:35:03,627 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-14 11:35:03,628 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-14 11:35:03,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-14 11:35:03,629 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-14 11:35:03,630 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-14 11:35:03,631 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-14 11:35:03,631 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-14 11:35:03,632 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-14 11:35:03,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-14 11:35:03,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-14 11:35:03,640 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-14 11:35:03,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-14 11:35:03,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-14 11:35:03,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-14 11:35:03,659 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-14 11:35:03,659 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-14 11:35:03,660 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-14 11:35:03,660 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-14 11:35:03,661 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-14 11:35:03,661 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-14 11:35:03,661 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-14 11:35:03,662 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-14 11:35:03,662 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-14 11:35:03,663 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-14 11:35:03,664 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-14 11:35:03,664 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-14 11:35:03,664 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-14 11:35:03,665 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-14 11:35:03,665 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-14 11:35:03,665 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-14 11:35:03,666 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-14 11:35:03,667 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-LoopLockstep.epf [2021-11-14 11:35:03,683 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-14 11:35:03,683 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-14 11:35:03,683 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-14 11:35:03,684 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-14 11:35:03,684 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-14 11:35:03,684 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-14 11:35:03,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-14 11:35:03,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-14 11:35:03,685 INFO L138 SettingsManager]: * Use SBE=true [2021-11-14 11:35:03,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-14 11:35:03,685 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-14 11:35:03,686 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-14 11:35:03,686 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-14 11:35:03,686 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-14 11:35:03,686 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-14 11:35:03,686 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-14 11:35:03,686 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-14 11:35:03,687 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-14 11:35:03,687 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-14 11:35:03,687 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-14 11:35:03,687 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-14 11:35:03,687 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-14 11:35:03,687 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-14 11:35:03,687 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-14 11:35:03,688 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-14 11:35:03,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 11:35:03,688 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-14 11:35:03,688 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-14 11:35:03,688 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-14 11:35:03,688 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-14 11:35:03,689 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-11-14 11:35:03,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-14 11:35:03,689 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-14 11:35:03,689 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-14 11:35:03,689 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-14 11:35:03,689 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-14 11:35:03,689 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-14 11:35:03,690 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-11-14 11:35:03,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-14 11:35:03,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-14 11:35:03,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-14 11:35:03,903 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-14 11:35:03,905 INFO L275 PluginConnector]: CDTParser initialized [2021-11-14 11:35:03,906 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-parray-copy.wvr.c [2021-11-14 11:35:03,953 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f99a0c84f/2d3f852249f74aebb35e61c5a42f4ad9/FLAG1e3aa522b [2021-11-14 11:35:04,315 INFO L306 CDTParser]: Found 1 translation units. [2021-11-14 11:35:04,315 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-parray-copy.wvr.c [2021-11-14 11:35:04,327 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f99a0c84f/2d3f852249f74aebb35e61c5a42f4ad9/FLAG1e3aa522b [2021-11-14 11:35:04,729 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f99a0c84f/2d3f852249f74aebb35e61c5a42f4ad9 [2021-11-14 11:35:04,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-14 11:35:04,731 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-14 11:35:04,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-14 11:35:04,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-14 11:35:04,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-14 11:35:04,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 11:35:04" (1/1) ... [2021-11-14 11:35:04,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fffda0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:35:04, skipping insertion in model container [2021-11-14 11:35:04,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 11:35:04" (1/1) ... [2021-11-14 11:35:04,743 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-14 11:35:04,756 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-14 11:35:04,916 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-parray-copy.wvr.c[2385,2398] [2021-11-14 11:35:04,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 11:35:04,933 INFO L203 MainTranslator]: Completed pre-run [2021-11-14 11:35:04,970 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-parray-copy.wvr.c[2385,2398] [2021-11-14 11:35:04,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 11:35:04,981 INFO L208 MainTranslator]: Completed translation [2021-11-14 11:35:04,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:35:04 WrapperNode [2021-11-14 11:35:04,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-14 11:35:04,982 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-14 11:35:04,982 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-14 11:35:04,982 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-14 11:35:04,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:35:04" (1/1) ... [2021-11-14 11:35:05,005 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:35:04" (1/1) ... [2021-11-14 11:35:05,031 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-14 11:35:05,032 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-14 11:35:05,032 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-14 11:35:05,032 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-14 11:35:05,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:35:04" (1/1) ... [2021-11-14 11:35:05,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:35:04" (1/1) ... [2021-11-14 11:35:05,051 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:35:04" (1/1) ... [2021-11-14 11:35:05,052 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:35:04" (1/1) ... [2021-11-14 11:35:05,065 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:35:04" (1/1) ... [2021-11-14 11:35:05,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:35:04" (1/1) ... [2021-11-14 11:35:05,082 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:35:04" (1/1) ... [2021-11-14 11:35:05,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-14 11:35:05,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-14 11:35:05,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-14 11:35:05,084 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-14 11:35:05,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:35:04" (1/1) ... [2021-11-14 11:35:05,090 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 11:35:05,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 11:35:05,136 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-14 11:35:05,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-14 11:35:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-14 11:35:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-14 11:35:05,179 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-14 11:35:05,179 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-14 11:35:05,179 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-14 11:35:05,179 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-14 11:35:05,179 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-14 11:35:05,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-14 11:35:05,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-14 11:35:05,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-14 11:35:05,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-14 11:35:05,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-14 11:35:05,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-14 11:35:05,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-14 11:35:05,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-14 11:35:05,182 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-14 11:35:05,488 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-14 11:35:05,489 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-14 11:35:05,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 11:35:05 BoogieIcfgContainer [2021-11-14 11:35:05,490 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-14 11:35:05,492 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-14 11:35:05,492 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-14 11:35:05,495 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-14 11:35:05,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 11:35:04" (1/3) ... [2021-11-14 11:35:05,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a50d658 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 11:35:05, skipping insertion in model container [2021-11-14 11:35:05,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 11:35:04" (2/3) ... [2021-11-14 11:35:05,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a50d658 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 11:35:05, skipping insertion in model container [2021-11-14 11:35:05,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 11:35:05" (3/3) ... [2021-11-14 11:35:05,498 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-parray-copy.wvr.c [2021-11-14 11:35:05,501 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-14 11:35:05,502 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-14 11:35:05,502 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-14 11:35:05,502 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-14 11:35:05,540 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,540 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,540 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,540 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,541 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,541 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,541 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,541 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,541 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,541 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,541 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,542 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,542 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,542 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,542 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,542 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,543 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,543 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,543 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,543 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,544 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,544 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,544 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,545 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,545 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,545 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,546 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,546 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,546 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,547 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,547 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,547 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,547 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,548 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,548 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,548 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,548 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,548 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,548 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,548 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,549 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,549 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,549 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,549 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,549 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,549 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,549 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,549 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,550 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,550 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,550 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,550 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,550 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,550 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,551 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,551 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,551 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,551 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,551 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,552 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,553 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,553 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,553 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,553 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,554 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,554 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,554 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,554 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,554 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,554 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,555 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,555 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,555 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,555 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,555 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,555 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,555 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,556 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,556 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,556 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,556 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,556 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,556 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,557 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,557 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,557 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,557 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,558 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,558 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,559 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,562 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,562 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,562 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,562 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,562 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,565 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,565 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,565 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,565 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,565 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,566 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,566 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,566 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,566 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,566 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 11:35:05,569 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-11-14 11:35:05,611 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-14 11:35:05,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 11:35:05,612 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-14 11:35:05,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-14 11:35:05,643 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-14 11:35:05,651 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-14 11:35:05,652 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-14 11:35:05,890 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 11:35:05,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 11:35:05,896 INFO L85 PathProgramCache]: Analyzing trace with hash -536178126, now seen corresponding path program 1 times [2021-11-14 11:35:05,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 11:35:05,902 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316930163] [2021-11-14 11:35:05,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 11:35:05,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 11:35:05,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 11:35:06,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 11:35:06,062 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 11:35:06,062 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316930163] [2021-11-14 11:35:06,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316930163] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 11:35:06,063 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 11:35:06,063 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-14 11:35:06,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268093807] [2021-11-14 11:35:06,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 11:35:06,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-14 11:35:06,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 11:35:06,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-14 11:35:06,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-14 11:35:06,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:35:06,089 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 11:35:06,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 75.5) internal successors, (151), 2 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 11:35:06,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:35:06,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:35:06,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-14 11:35:06,133 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 11:35:06,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 11:35:06,133 INFO L85 PathProgramCache]: Analyzing trace with hash 208375611, now seen corresponding path program 1 times [2021-11-14 11:35:06,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 11:35:06,134 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055446079] [2021-11-14 11:35:06,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 11:35:06,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 11:35:06,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 11:35:06,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 11:35:06,472 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 11:35:06,472 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055446079] [2021-11-14 11:35:06,472 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055446079] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 11:35:06,472 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 11:35:06,472 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-14 11:35:06,472 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493639120] [2021-11-14 11:35:06,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 11:35:06,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-14 11:35:06,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 11:35:06,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-14 11:35:06,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-11-14 11:35:06,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:35:06,474 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 11:35:06,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 18.0) internal successors, (144), 8 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 11:35:06,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:35:06,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:35:06,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:35:06,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 11:35:06,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-14 11:35:06,691 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 11:35:06,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 11:35:06,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1384359770, now seen corresponding path program 1 times [2021-11-14 11:35:06,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 11:35:06,692 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423510000] [2021-11-14 11:35:06,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 11:35:06,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 11:35:06,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 11:35:06,833 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 11:35:06,834 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 11:35:06,834 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423510000] [2021-11-14 11:35:06,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423510000] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 11:35:06,834 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [150622727] [2021-11-14 11:35:06,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 11:35:06,834 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 11:35:06,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 11:35:06,851 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 11:35:06,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-14 11:35:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 11:35:06,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-14 11:35:06,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 11:35:07,392 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 11:35:07,393 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 11:35:07,751 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 11:35:07,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [150622727] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-14 11:35:07,752 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-14 11:35:07,752 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2021-11-14 11:35:07,752 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422743867] [2021-11-14 11:35:07,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 11:35:07,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-14 11:35:07,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 11:35:07,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-14 11:35:07,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2021-11-14 11:35:07,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:35:07,755 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 11:35:07,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.571428571428573) internal successors, (158), 7 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 11:35:07,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:35:07,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 11:35:07,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:35:07,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:35:07,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 11:35:07,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 11:35:07,893 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-14 11:35:08,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-14 11:35:08,086 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 11:35:08,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 11:35:08,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1812192704, now seen corresponding path program 1 times [2021-11-14 11:35:08,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 11:35:08,087 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188346504] [2021-11-14 11:35:08,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 11:35:08,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 11:35:08,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 11:35:08,233 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 11:35:08,233 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 11:35:08,234 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188346504] [2021-11-14 11:35:08,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188346504] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 11:35:08,234 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1000796101] [2021-11-14 11:35:08,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 11:35:08,234 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 11:35:08,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 11:35:08,239 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 11:35:08,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-14 11:35:08,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 11:35:08,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-14 11:35:08,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 11:35:08,700 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 11:35:08,700 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-14 11:35:09,066 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 11:35:09,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1000796101] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-14 11:35:09,067 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-14 11:35:09,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 9] total 19 [2021-11-14 11:35:09,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439722000] [2021-11-14 11:35:09,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 11:35:09,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-14 11:35:09,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 11:35:09,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-14 11:35:09,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2021-11-14 11:35:09,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:35:09,071 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 11:35:09,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 18.333333333333332) internal successors, (165), 9 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-14 11:35:09,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:35:09,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 11:35:09,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-14 11:35:09,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:35:09,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 11:35:09,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 11:35:09,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-14 11:35:09,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 11:35:09,221 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-14 11:35:09,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 11:35:09,415 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-14 11:35:09,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 11:35:09,416 INFO L85 PathProgramCache]: Analyzing trace with hash 2119229814, now seen corresponding path program 1 times [2021-11-14 11:35:09,416 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 11:35:09,416 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856885516] [2021-11-14 11:35:09,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 11:35:09,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 11:35:09,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 11:35:10,679 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-14 11:35:10,679 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 11:35:10,680 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856885516] [2021-11-14 11:35:10,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856885516] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-14 11:35:10,680 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [961660265] [2021-11-14 11:35:10,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 11:35:10,680 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 11:35:10,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 11:35:10,681 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-14 11:35:10,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-14 11:35:11,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 11:35:11,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 59 conjunts are in the unsatisfiable core [2021-11-14 11:35:11,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-14 11:35:11,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-14 11:35:11,635 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-14 11:35:11,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-14 11:35:12,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 23 [2021-11-14 11:35:12,466 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2021-11-14 11:35:12,484 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-14 11:35:12,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-14 11:35:12,667 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Shadow problem: [thread3Thread1of1ForFork1_~i~2] at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.Context.constructChildContextForQuantifiedFormula(Context.java:117) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.pushInner(QuantifierPusher.java:293) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:167) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:243) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:233) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminateLight(PartialQuantifierElimination.java:111) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminateCompat(PartialQuantifierElimination.java:127) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.constructQuantifiedFormula(TermDomainOperationProvider.java:115) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:104) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:197) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-14 11:35:12,670 INFO L158 Benchmark]: Toolchain (without parser) took 7938.37ms. Allocated memory was 350.2MB in the beginning and 442.5MB in the end (delta: 92.3MB). Free memory was 297.0MB in the beginning and 217.6MB in the end (delta: 79.4MB). Peak memory consumption was 173.1MB. Max. memory is 16.0GB. [2021-11-14 11:35:12,670 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 350.2MB. Free memory is still 313.3MB. There was no memory consumed. Max. memory is 16.0GB. [2021-11-14 11:35:12,671 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.35ms. Allocated memory was 350.2MB in the beginning and 442.5MB in the end (delta: 92.3MB). Free memory was 296.8MB in the beginning and 415.2MB in the end (delta: -118.4MB). Peak memory consumption was 10.9MB. Max. memory is 16.0GB. [2021-11-14 11:35:12,671 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.13ms. Allocated memory is still 442.5MB. Free memory was 415.2MB in the beginning and 413.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2021-11-14 11:35:12,673 INFO L158 Benchmark]: Boogie Preprocessor took 51.89ms. Allocated memory is still 442.5MB. Free memory was 413.1MB in the beginning and 412.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. [2021-11-14 11:35:12,673 INFO L158 Benchmark]: RCFGBuilder took 406.21ms. Allocated memory is still 442.5MB. Free memory was 411.0MB in the beginning and 393.2MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2021-11-14 11:35:12,673 INFO L158 Benchmark]: TraceAbstraction took 7177.65ms. Allocated memory is still 442.5MB. Free memory was 392.1MB in the beginning and 217.6MB in the end (delta: 174.6MB). Peak memory consumption was 175.6MB. Max. memory is 16.0GB. [2021-11-14 11:35:12,675 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 350.2MB. Free memory is still 313.3MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 248.35ms. Allocated memory was 350.2MB in the beginning and 442.5MB in the end (delta: 92.3MB). Free memory was 296.8MB in the beginning and 415.2MB in the end (delta: -118.4MB). Peak memory consumption was 10.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 49.13ms. Allocated memory is still 442.5MB. Free memory was 415.2MB in the beginning and 413.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 51.89ms. Allocated memory is still 442.5MB. Free memory was 413.1MB in the beginning and 412.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 406.21ms. Allocated memory is still 442.5MB. Free memory was 411.0MB in the beginning and 393.2MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 7177.65ms. Allocated memory is still 442.5MB. Free memory was 392.1MB in the beginning and 217.6MB in the end (delta: 174.6MB). Peak memory consumption was 175.6MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Shadow problem: [thread3Thread1of1ForFork1_~i~2] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Shadow problem: [thread3Thread1of1ForFork1_~i~2]: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.Context.constructChildContextForQuantifiedFormula(Context.java:117) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-14 11:35:12,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-11-14 11:35:12,915 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...